I am a............................

Someone who studies the shape of people's heads as a way of finding out what their characters and abilities are;popular in the 19th century

(http://www.ldoceonline.com/)

A practitioner of the science of picking the pocket through the scalp. It consists in locating and exploiting the organ that one is a dupe with.(http://www.alcyone.com/)

Image: http://www.neurosciencemarketing.com/blog/articles/19th-century-neuromarketing.htm

In 1989 while visiting the UK, I was given a 'mystery' birthday gift. It was a session with one of these practitioners. She claimed she was the only fully qualified represnetative of the science in the UK at that time. The session was amazing!